crypt (n.)youdaoicibaDictYouDict[crypt 词源字典]
early 15c., "grotto, cavern," from Latin crypta "vault, cavern," from Greek krypte (short for krypte kamara "hidden vault"), fem. of kryptos "hidden," verbal adjective from kryptein "to hide," from PIE root *krau- "to conceal, hide" (cognates: Old Church Slavonic kryjo, kryti "to hide"). Meaning "underground burial vault or chapel in a church" first attested 1789.[crypt etymology, crypt origin, 英语词源]